/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageName.h
enum EErrorCode { PackageNameUnknown, PackageNameEmptyPath, PackageNamePathNotMounted, PackageNamePathIsMemoryOnly, PackageNameSpacesNotAllowed, PackageNameContainsInvalidCharacters, LongPackageNames_PathTooShort, LongPackageNames_PathWithNoStartingSlash, LongPackageNames_PathWithTrailingSlash, LongPackageNames_PathWithDoubleSlash, }